Kevin W. Preston

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Masterton, NZ

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Patents Grantslast 30 patents

Information Patent Grant
Efficient collection of information from vending machines
- Patent number 6,754,558
- Issue date Jun 22, 2004
- Vending Management Services Ltd.
- Kevin W. Preston
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Efficient collection of information from vending machines
- Publication number 20030050841
- Publication date Mar 13, 2003
- Kevin W. Preston
- G06 - COMPUTING CALCULATING COUNTING